Cartier Santos-Dumont skeleton

Cartier makes the Santos-Dumont skeleton, reference WHSA0031, with a 31 mm case in 18K yellow gold with blue lacquer. The case is 8 mm thick. Inside runs calibre 9629 MC, a self-winding micro-rotor movement with a power reserve of approximately 44 hours. The watch is skeletonized, and the bridges are covered in blue lacquer. A sapphire crystal covers the front, and the display back is sapphire too. Cartier rates the case to 30 metres. This is a limited edition of 150 individually numbered pieces. A varnished blue alligator leather strap is fitted with an 18K yellow gold ardillon buckle.